the.com/drowsy
The brain's gentle bouncer easing you toward the velvet rope of sleep.
means Feeling sleepy, heavy-lidded, and only half-awake — the soft slide toward sleep before it fully takes hold.
from From Old English 'drūsian,' meaning to sink, droop, or grow sluggish — the same root sense of heaviness that pulls eyelids down. It surfaced as the adjective 'drowsy' by the 1500s, and is likely related to 'dreary,' both carrying that old feeling of slowing and sagging.
- chemical culprit
- Adenosine builds all day until your eyelids surrender
- warmth trap
- Rising body temperature at night triggers the slump
- old root
- From 'drusan,' Old English for sinking or falling
- driving danger
- Drowsy driving rivals drunk driving for reaction lag
microsleep — involuntary brief sleep episodes lasting 1-10 seconds, studied in fatigued drivers and pilots
shift work sleep disorder — chronic drowsiness affecting 10-26% of night shift workers, recognized medical condition in dsm-5
narcolepsy — neurological disorder causing excessive daytime drowsiness affecting 1 in 2,000 people worldwide