Caffeinated drinks have grown hugely in
popularity over the past decade. Whether it's sipped in a coffee
shop watching the world go by or drank on-the-go in a Christmas
cup, there's no doubt in believing lots of us run on caffeine.
However, for those who find it difficult to get a solid eight
hours, caffeine can become the biggest barrier to getting good,
clean sleep.



What does caffeine do and how does it affect sleep?


Our sleep expert, Dr Nerina sheds some light on
caffeine. "Caffeine acts very much like adrenaline so it revs up
your sympathetic nervous system and increases the 'noise' of REM
sleep". The half-life of caffeine is around five hours meaning you
could have one cup of coffee at 5pm and still have half the
caffeine in your system by 10pm. The
best time to have a cup of coffee is between 10am and 12pm
and also 2pm to 5pm.


Caffeine can make us more anxious and jittery too. If you're
prone to anxiety disorders or panic attacks, it is important to
decide when too much caffeine is too much and begin to go about breaking the caffeine habit.


If you can't resist a cup of coffee, we recommend you drink no
more than four cups per day or, switch to decaf.


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