0 1 2 3 Fri 27 Nov 1981 Tue 01 Dec 1981 Sat 05 Dec 1981 Wed 09 Dec 1981 Sun 13 Dec 1981 Thu 17 Dec 1981 Mon 21 Dec 1981 Hours Slept Hours Slept Rolling Average Total Time in Bed Total Rolling Average <- Previous Period Next Period -> Date Range: to Offset: hours Data: Hours Slept Hours Laying Awake Total Time in Bed Total Dreams Show: Raw Data Rolling Average Rolling Average: Start from Zero Events: None Major All