0 1 2 3 Tue 23 Mar 1971 Tue 30 Mar 1971 Tue 06 Apr 1971 Tue 13 Apr 1971 Tue 20 Apr 1971 Tue 27 Apr 1971 Tue 04 May 1971 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