Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
AGE x FD CYCLE x TIME AWAKE. (A) Subjective sleepiness (p = 0.0112), (B) lapses of attention (p < 0.0001), (C) SEMs (p = 0.0022), and (D) inadvertent sleeps (p < 0.0001) data averaged in 4-hour awake bins for each of the three FD cycles. Mean ± s.e.m. (n = 12 per group except for PVT lapses where n = 11 for older participants) are shown. *Indicates a significant p-value in post-hoc tests.
