0 1 2 3 Fri 03 Jan 1936 Sat 01 Feb 1936 Sun 01 Mar 1936 Wed 01 Apr 1936 Thu 02 Apr 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