Through my understanding of sleep physiology and the latest scientific research, I have dramatically improved my sleep. I use 10 key strategies, starting from the moment that I wake up in the morning.

Overtiredness is a paradoxical condition where you're exhausted during the day but struggle to sleep at night. Even if you're ...

This rhythm is controlled both by the amount of a sleep-inducing compound called adenosine in our system and cues in our ...

Adults, like babies, can become overtired. Experts explain why it makes sleeping hard and how to break the cycle. Counting ...

But experts think it could happen when a person is woken during non-REM sleep, due to changes in blood flow, or because of higher levels of adenosine. Some speculate it helps to protect sleep that ...

A recent study links morning coffee consumption to lower death rates from cardiovascular problems. A Fort Worth cardiologist ...

Downing more than 600mg a day ( the equivalent of six mugs of brewed coffee) can produce anxiety, sleeplessness, agitation, palpitations, diarrhoea and restlessness. To reduce your caffeine intake, ...

It may come as no surprise that hormonal upheaval – say, during puberty or menopause – can play havoc with sleep. But our hormones influence sleep all the time, not just during big changes.

Dr Rajan also agreed with the “caffeine tolerance” theory, stating that when you get used to drinking coffee or other caffeine-containing drinks, your body responds by simply making more adenosine ...