0 1 2 3 Fri 26 Dec 1980 Wed 31 Dec 1980 Mon 05 Jan 1981 Sat 10 Jan 1981 Thu 15 Jan 1981 Tue 20 Jan 1981 Sun 25 Jan 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