0 1 2 3 Thu 28 Mar 1940 Mon 01 Apr 1940 Fri 05 Apr 1940 Tue 09 Apr 1940 Sat 13 Apr 1940 Wed 17 Apr 1940 Sun 21 Apr 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