0 1 2 3 Tue 02 Dec 1980 Tue 09 Dec 1980 Tue 16 Dec 1980 Tue 23 Dec 1980 Tue 30 Dec 1980 Tue 06 Jan 1981 Tue 13 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