This is called sleep inertia, and it’s the state between being awake and being asleep. But why does sleep inertia happen? While everyone is likely to experience sleep inertia, some may feel it ...

During Ramadan, when the body is already adapting to a shifted sleep schedule, a carefully timed nap might be especially ...

“Sleeping longer can trigger the effects of sleep inertia. This is the feeling of continued sleepiness upon awakening,” he explained. Sleep inertia can be felt when awakening from any stage of ...

Waking up at the right time can improve focus and energy. Syncing with your body's natural rhythm enhances mental clarity and ...

A quick 20-minute nap is perfect for a recharge without the dreaded sleep inertia.” But in good news, Americans are taking naps at the recommended time — 1:42 p.m. falls into the timeframe ...

A bad night's sleep can leave us feeling groggy throughout the day, with the NHS saying adults need between seven and nine ...

Fellow sleepyheads, rejoice ― it turns out that our daily napping habit is actually good for our brains and bodies. But there ...

Good Housekeeping's Dr Mo Khaki has some advice on what to do if you’ve had a bad night, and how to learn to sleep better.