sleep arousal

People are taking an unapproved weight-loss drug. AI found something surprising

Too tired to be judged by humans?

Across four experiments, greater social jet lag was linked to stronger preference for AI evaluators, largely through social anxiety — and the effect depended on whether AI was framed as neutral.

Sleep that does not have to be earned

A wearable that shifts REM without a pill is a real, early result. What it is not, yet, is a new moral of the night.

Screens and teenage sleep: what the mixed science actually says

Public debate treats “screen time” as one exposure. The literature is more granular — evening light, interruption, and displaced opportunity — and still serious enough for design.