0 1 2 3 Fri 03 Jul 1936 Sat 01 Aug 1936 Tue 01 Sep 1936 Thu 01 Oct 1936 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