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I speak to two doctors to find out the biggest sleep hygiene mistakes we're making and how they're causing 3.a.m. wakeups and insomnia ...

Add Yahoo as a preferred source to see more of our stories on Google. The effects of using a screen just before going to sleep have been proven in a new study. (Getty Images) (Tero Vesalainen via ...

Sleep Stop waking up at 3 am — I asked 5 doctors for their best sleep hygiene tips and here’s what they said Sleep Don’t worry about total sleep time, pay attention to these metrics on your sleep ...

Sleep I slept for 8 hours a night and still felt exhausted — until an expert changed one simple thing about my sleep schedule Sleep For months I’ve been waking up at 3 a.m. with anxiety — a doctor ...

Many people are in the habit of using a screen last-thing at night. In fact, a YouGov study on sleep found that a whopping 87% of Britons look at their phone or tablet within an hour before bedtime.