Does extending your sleep in the week prior to an upcoming period of sleep deprivation work to keep you more alert?

How we feel about a night’s sleep can have a bigger impact on mood and grogginess than actual hours of rest. Here’s how to ...

You won’t need to Ferberize yourself. Not exactly.

Fact checked by Nick Blackmer Humidifiers release water vapor, adding moisture to the air.On dry nights, humidifiers may help ...

Obstructive sleep apnea induces a metabolic chain reaction that leads to increases in weight and blood sugar levels, among ...

Sleep is one of medicine's underused data streams. Clinically, disturbed sleep has often been treated as a symptom of a disorder, but sleep is also a physiological state in which brain, cardiac, ...

We tested 6 sleep masks to compare their overall comfort and ability to deliver total darkness during sleep. There’s just one we recommend buying.