0 1 2 3 Thu 23 Mar 1972 Thu 30 Mar 1972 Thu 06 Apr 1972 Thu 13 Apr 1972 Thu 20 Apr 1972 Thu 27 Apr 1972 Thu 04 May 1972 Thu 11 May 1972 Thu 18 May 1972 Sat 20 May 1972 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