0 1 2 3 Fri 14 Nov 1980 Fri 21 Nov 1980 Fri 28 Nov 1980 Fri 05 Dec 1980 Fri 12 Dec 1980 Fri 19 Dec 1980 Fri 26 Dec 1980 Fri 02 Jan 1981 Fri 09 Jan 1981 Mon 12 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