Brain activity must shift to alpha waves, "the gateway to cognitive relaxation," for deep sleep to occur, the neuroscientist ...

Sleep apnea is often missed in women. Experts explain the symptoms, risks and why many women go years without a diagnosis.

A novel AI model can use information collected during routine sleep studies to identify patients' long-term health risks, ...

The best way to fall asleep might be to stop fixating on it.

Between wearables and phone apps, a growing number of tools claim to track your sleep. But experts say trackers can only go ...

Is your sleep tracker making you anxious about sleep? Experts explain orthosomnia, tracker accuracy and how to break the ...

Research suggests cannabis suppresses REM sleep, raising questions about memory, emotion and the purpose of dreams.

Orthosomnia happens when chasing perfect sleep tracker scores makes sleep worse. Here's how to spot the signs and break the cycle.

Sleep apnea is still widely thought of as a condition affecting older, overweight men, which is why it remains dangerously ...

You know those types of nights when you’re bone-tired, but as soon as your head hits the pillow, your brain starts buzzing and you’re wide awake. Spending too much time trying to fall asleep feels ...

A new study finds that hotter nights caused by human-driven climate change are eating away at hours of sleep every year.