#Circadian

Why an extra hour in bed may not be as great as it sounds, and how to keep your sleep on track

Outside experts warn that more research is needed before "circadian depression" can be classified as a subtype

A study of more than 11,000 adults found that nearly one in four participants with severe, recurrent or persistent depression showed sleep and biological-clock patterns linked to a proposed subtype called circadian depression.

“Circadian Heart,” the Vermont-based singer-songwriter Hannah Frances’ new single, pulls off a neat trick. It starts off as a playfully oblique folk song with supremely relaxed and assured vocal.…

Evidence grows for ‘circadian depression’, but more evidence is needed to change diagnosis and treatment guidelines.

New research in zebrafish suggests that melatonin links circadian rhythms to sleep by suppressing the brain's responses to visual stimuli.