0 1 2 3 Fri 15 Nov 1974 Fri 22 Nov 1974 Fri 29 Nov 1974 Fri 06 Dec 1974 Fri 13 Dec 1974 Fri 20 Dec 1974 Fri 27 Dec 1974 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