0 1 2 3 Mon 31 Dec 1979 Mon 07 Jan 1980 Mon 14 Jan 1980 Mon 21 Jan 1980 Mon 28 Jan 1980 Mon 04 Feb 1980 Mon 11 Feb 1980 Mon 18 Feb 1980 Mon 25 Feb 1980 Mon 03 Mar 1980 Mon 10 Mar 1980 Mon 17 Mar 1980 Tue 18 Mar 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