0 1 2 3 Tue 02 Mar 1976 Tue 09 Mar 1976 Tue 16 Mar 1976 Tue 23 Mar 1976 Tue 30 Mar 1976 Tue 06 Apr 1976 Tue 13 Apr 1976 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