Showing posts with label caffeine. Show all posts
Showing posts with label caffeine. Show all posts

Tuesday, 29 October 2013

The Effects of Sleep Deprivation - Teenagers



Teenagers are an interesting group of people to study in terms of sleep and sleep needs, as along with the usual concerns around getting enough sleep there is a big biological shift in their sleep patterns as well. This along with an increase in social activities, homework and studying, social media and computer access, as well as peer pressure and 'fitting in', means that sleep can be pushed down the list of priorities when in fact it should be at the top.

Teenagers need an average of nine to nine and half hours of sleep each night. Some need a little less, some a little more. As I mentioned above there is a biological shift that happens at this stage of development that lasts till the early 20's, which makes it difficult for teenagers and young adults to fall asleep before 11 pm, forcing them to go to bed earlier may not actually help them sleep any better or longer.

This of course has a big impact on how much sleep they get as they need to get up in time for school and most schools start between 8 and 9 am. This leads the classic picture of the lazy teenager not waking up in the morning and being ready for school!

The effects of sleep deprivation are similar to those of younger children in terms of both physical and mental performance. A sleep deprived teenager will do less well in their schoolwork and have difficulty remembering information. Staying up late to do last minute revision before an exam is actually less effective than getting a good night's sleep.

Poor sleep patterns will also affect sports performances, and can lead to teenagers being overweight and having problematic skin conditions. Although completely different examples these are areas that are important to teenagers and can have an effect on their confidence and self perception which in turn has a knock on effect with their social skills and interaction.

There is also alarming research showing that the effects of sleep deprivation on driving is similar to the effects of alcohol on driving. This needs to be discussed with any teenager who is learning to drive and pushed as much as the 'Don't drink and drive' message.

Alcohol and cigarettes are also stimulants and can affect sleep and teenage years are when most people start experimenting with these. Large amounts of caffeine will stimulate the brain and affect sleeping patterns; drinking large amounts of energy drinks may initially help a sleep deprived person get through important tests or exams but can have a knock on effect on the following sleep and set up a sleep deprived/caffeine intake cycle that needs to be broken.

Also poor sleep, a lack of interest in social activities and poor school performance can can be a sign of depression and so this is harder to spot amongst the usual teenage 'blues'. If you are concerned about a teenager, then sit down and ask them about their goals and inspirations and if you remain concerned seek medical advice.

The best way to ensure a teenager gets enough sleep is to encourage and develop good sleep habits when they are younger. However it is never to late to try and create good habits and work with the awareness of the shift in the body clock and help them adapt to it instead of trying to fight it

- Encourage a routine where homework is done earlier in the evening and finished well before bedtime

- Also encourage a no-screen time after 10pm. The lights (and the closeness of them) on a computer screen stimulates the receptors at the back of the eyes and blocks the message to the brain that it is night time and to get ready for sleep. TV screens are not as bad as they are watched from a greater distance.

- Record programmes that are on later at night to be watched at other times.

- Make the bedroom a place for sleep and not activity. Remove computers and tv's and have sidelights and dimmer switches to keep the light level low

- Have as much natural light as possible in the morning o help the body wake up. Walking or cycling to school can help with this

- Have different areas in the home for homework, computers and tv's. It is important that the brain associates the bedroom with sleep and not other activities

- Encourage phones to switched off at night and perhaps have an overnight docking/recharge station somewhere else in the home, where ALL the families phones go. This is best started from a younger age

- Set up consistent bedtime and waking times through the week as the brain responds well to this and recognizes the trigger signs for sleep

- Have a good wind down routine for the end of the day - after the screens have been turned off, have a bath, a bedtime snack and reading (for fun) are all good things to help the brain wind-down and prepare for sleep

- Allow time for strategic naps and lie-ins for catching up on sleep on weekends and holidays. Do not nap too close to bedtime and also only allow a couple of hours lie-in, sleeping in till midday will just throw the bodyclock out of kilter

- Look at any out of school activities and monitor how many hours they take each week and is this having an impact on their homework and sleep time. Are strenuous physical activities - sports training etc being done too late in the evening to give the body to relax before sleep

- Keep an open dialogue going about the importance sleep and listen to what the teenager says. It is important that this is more of a discussion of pro's and con's rather than an dictation or rule. Help them feel they have a choice in what is decided

- Ask about a delayed start to school. Schools that have put their start time back an hour have found that teenagers do better in achieving good grades and also that truancy levels are reduced

- Talk to teenagers regularly about their day, how things are going and any concerns they may have so that they are not taking worries and stress to bed with them

These are all great habits and will enable teenagers and young adults to live life to the full.

Sweet dreams

Wednesday, 9 October 2013

The Effects of Sleep Deprivation - School Children


In this second post of the series I'll be looking at sleep deprivation and how it affects school aged children, this is an important stage for children's learning and even a small reduction in their sleep can have a big impact on their all round development.

Children need gradually decreasing amounts of sleep as they get older and it is important to check that they are actually getting what they need, rather than what they say they need - which can be two different things!

Children between the ages of five and twelve need between 11 and 12 hours sleep each night. By the time they reach school ages they no longer need a daytime nap, so this all needs to be at nighttime, so a prompt bedtime is essential to make sure they get their full daily sleep requirements met.

In school aged children the growth rate has slowed down and is not as dramatic as when they were younger however still needs to be taken into consideration for their sleep needs. Unlike an adult whose bodies repair and renew themselves during sleep and rest, children's bodies also need sleep time to grow. Even a half an hour sleep deficit each night can also have a drastic affect on children's concentration and learning abilities.

There is a huge demand on children this age from school, homework, sports and extra-curricular activities. Children of this age also have a growing interest in TV, computers, internet and games. There is also an increase in consuming caffeinated products as well and parents have less control over their diets with school canteens and pocket money spends, which makes more demands on their health needs too.

This is also an age where sleep problems begin to show up and there can also be a resistance to bedtime and sleep. It is important to observe and take not of any dramatic changes in children's sleep patterns.
A lack of sleep will show up in mood swings, behavioural problems, lack of energy and enthusiasm as well as a decrease in school marks and grades.

As parents you can help your child by

- keeping an open discussion about the importance of sleep and setting good sleep habits
- keeping bedrooms for sleep and having play areas elsewhere in the house
- keeping computer and gaming equipment out of the bedroom
- having a 'no screen hour' before bedtime to help them wind down for sleep
- encouraging mobile phones to be switched off at night
- ensuring they eat a balanced diet with only a small amount of caffeine

These simple sleep measures will help ensure that school aged children wake each morning ready to get the most out their busy days at school.

If you would like help in changing your children's sleep routines, then please contact me and we can arrange for a free introductory session.

Tuesday, 10 September 2013

Caffeine - the acceptable addiction?


The other day I tripped when walking down the street and landed on my knees - very hard! After a weekend of constant pain and lack of sleep, I went to the doctor's (and as is typical in France) came away with a long prescription of various drugs to 'help' the pain and recovery.

To my interest one of the drugs proudly stated it was a mixture of paracetamol, opium and caffeine. (I'm presuming the caffeine is to counteract the opium.)
Normally when caffeine is present in medications, it is hidden away in small letters on the info sheet and you have to use a magnifying glass to find its listing! So to find it in large letters on the front of the bow was very unusual.

Now, I've not properly drunk caffeine for years (since I was about 18) as the doctor thought that my 6-cans-of-diet-cola a day habit might possibly be a cause of my insomnia, and there was I thinking I was being healthy because it was 'diet'.
Fortunately I did not really like coffee anyway, and the cola was surprisingly easy to give up. It was the tea that was difficult. I really love tea, still do in fact. If I'm up really early - maybe because I have a flight to catch, I may still sneak in a cup of tea but these are very rare occasions.

Nowadays I don't really think about caffeine. Sometimes the question will raise its head, such as when I moved to France, where it seems that everybody drinks coffee. Fortunately there are plenty of other options available. When I first gave it up there were only a few herbal teas available and decaff coffee, now there is a whole range of flavours and tastes to choose from Rooibus is one of my favourites, followed by fennel tea.

People ask me if I miss it, I do not really, and one lady spontaneously threw her arms round me and gave me a hug as she felt so sorry for me that I could not enjoy a morning cup of coffee.

So here's the rub - people need a morning fix of coffee because they are , heartburn addicted to it. Caffeine causes a little high immediately after consumption and then as its affect wears off it causes a slump, so reaching for another cup of caffeine restores the feeling of a high. If you were to completely come off caffeine your body would not need a morning 'fix' anymore.

Caffeine in moderate quantities has been shown to have positive health benefits such as protection from coronary disease, Parkinson's, diabetes and some cancers however an excess causes stress to the body such as osteoporosis, stress, heartburn and other stomach disorders. Caffeine's biggest downfall is that excessive consumption leads to insomnia which, in turn, leads to many other health problems such as diabetes, heart problems, weight gain etc. As well as triggering insomnia which in turn adds further stress.

The recommendation is that between 200 and 300mg a day is a safe level, over 500mgs can start causing health problems.
The problem with this statistic is that the amounts of caffeine in drinks and food varies widely, so you need to keep an eye on how much you drink. Remember that it is not just in tea and coffee but also in green teas, colas and some other soft drinks, chocolate and of course energy drinks.

So if you are having trouble sleeping, is caffeine dependency your problem? Like any drug, coming off caffeine can cause withdrawal symptoms including headaches, sleepiness, lethargy, flu-like symptoms, muscle aches and depression. Try reducing caffeine bit by bit, cutting out a cup or two of caffeine at each stage or swapping high caffeine drinks for ones lower in caffeine and, best of all, stop drinking it at least 6 hours before bedtime. If you suffer from withdrawal symptoms remind yourself that they are only temporary and will diminish.

If you would like to know how much you are drinking then check out this list.

Good luck and sweet dreams.

If you would like more help with achieving overcoming insomnia and other sleep problems then please contact me at charlotte@charlottewelply.com and we can set up a free introductory coaching session.