0 1 2 3 Fri 07 Dec 1979 Fri 14 Dec 1979 Fri 21 Dec 1979 Fri 28 Dec 1979 Fri 04 Jan 1980 Fri 11 Jan 1980 Fri 18 Jan 1980 Fri 25 Jan 1980 Fri 01 Feb 1980 Fri 08 Feb 1980 Fri 15 Feb 1980 Mon 18 Feb 1980 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