0 1 2 3 Fri 23 Mar 1973 Fri 30 Mar 1973 Fri 06 Apr 1973 Fri 13 Apr 1973 Fri 20 Apr 1973 Fri 27 Apr 1973 Fri 04 May 1973 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