0 1 2 3 Tue 25 Jul 1961 Tue 01 Aug 1961 Tue 08 Aug 1961 Tue 15 Aug 1961 Tue 22 Aug 1961 Tue 29 Aug 1961 Tue 05 Sep 1961 Tue 12 Sep 1961 Tue 19 Sep 1961 Thu 21 Sep 1961 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