0 1 2 3 Sat 21 Sep 1935 Tue 01 Oct 1935 Fri 01 Nov 1935 Sun 01 Dec 1935 Thu 12 Dec 1935 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