0 1 2 3 Sat 20 Dec 1980 Thu 25 Dec 1980 Tue 30 Dec 1980 Sun 04 Jan 1981 Fri 09 Jan 1981 Wed 14 Jan 1981 Mon 19 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