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This week a new study showed us how coffee sets your body clock back by an hour. We look at which foods and drinks are best for sleeping well, and which will keep you up all night
We all know coffee can help keep us awake at night. In fact, many of us have probably used caffeine as a tool to keep us going with our work, or to help prop our lids open in the early morning.
A study has revealed the true effect a cup of Joe has on our bodies – it sends them back in time! Not literally of course, but the study says coffee can have the same effects as moving through time zones when travelling.
When you drink coffee late in the evening, it resets your internal body clock. A double espresso just 3 hours before hitting the hay can turn the body clock back by nearly an hour.
How does it work?
The tired feeling in our bodies before bed comes from a rise in the hormone melatonin. This tells our body that it’s time to rest. Caffeine delays this rise.
So, while for you it might be 10pm in London, your body thinks its 9pm in Reykjavik. If you add bright light to the equation, it gets worse, with your body going back 105 minutes.
Best and worst foods for sleep
It’s not just coffee that can have an effect on our sleeping patterns. Here we take a look at the foods and drinks that will help you sleep well and those best to avoid before bed.
For a good night’s sleep
To avoid before bed:
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