0 1 2 3 Mon 10 Feb 1975 Mon 17 Feb 1975 Mon 24 Feb 1975 Mon 03 Mar 1975 Mon 10 Mar 1975 Mon 17 Mar 1975 Mon 24 Mar 1975 Mon 31 Mar 1975 Mon 07 Apr 1975 Thu 10 Apr 1975 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