0 1 2 3 Wed 13 Sep 1939 Sun 01 Oct 1939 Wed 01 Nov 1939 Fri 01 Dec 1939 Mon 01 Jan 1940 Thu 01 Feb 1940 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