People need to sleep, and sleep deprivation can cause many changes in the brain. But we have a poor understanding of why sleep is so crucial. New research has examined a fruit fly model to assess how ...

Have you ever woken up feeling groggy, only to realise you’ve slept for over nine hours? For some people getting too much sleep is a rare dream, for others it’s a habit they’re trying to curb. But ...

A Harvard gastroenterologist has revealed a surprisingly simple sleep solution that could help restless sleepers drift off faster without reaching for medication. Dr Trisha Pasricha, who teaches at ...

Having trouble falling asleep is a common affliction, but the exact causes are not always the same. Insomnia affects millions of Americans, and a News 9 viewer is asking what they can do to sleep ...

Getting enough sleep is easier said than done — that's where napping comes in handy. Whether you're looking to catch up on rest after a sleepless night or relax in the afternoon, napping is an ...

Sleep Cycles: One rapid eye movement (REM) stage and three non-REM stages that altogether last about 90 to 120 minutes Benefits: Physical and mental recuperation and memory consolidation Disorders: ...

DEAR DR. ROACH: I am a retired and active 73-year-old who plays tennis and regularly goes to the gym. I often take long naps and sleep for 2 or 3 hours. At night, I often sleep 4 or 5 hours. My ...

DEAR DR. ROACH: I am a 23-year-old man who has been having sleep issues for years. It started in middle school. Since then, I often have trouble going to sleep, and sometimes I wake up around 3-4 a.m.

Sleep scientists are changing how they think about screen use at night. By Caroline Hopkins Legaspi Experts have long warned about the dangers of blue light before bed. When exposed via smartphones, ...