REM sleep behavior disorder can occur at any age, but symptoms usually start with people in their 40s and 50s. For those ...

Parasomnias are disruptive sleep disorders that can occur during arousals from REM sleep or partial arousals ... of substances in the brain that cause them to feel awake compared to those that ...

A REM sleep disorder is a precursor of neurodegenerative ... The accumulation of alpha-synuclein in the brain causes sleep disorders and is a marker of neurodegeneration As a continuation of ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is ...

Nightmares can leave you feeling drained and emotionally exhausted, disrupting not just your sleep but your entire day. While ...