Dylan Coronado
Learn the real caffeine cutoff time to optimize sleep onset, backed by science. Discover why stopping coffee at 2 p.m. can add nearly an hour of restful sleep-and how hidden sources like energy gels and painkillers sabotage your rest.
Jan 9 2026
Dec 12 2025
Apr 21 2025
Feb 14 2026
Mar 6 2025
