0 1 2 3 Wed 18 Mar 1931 Wed 25 Mar 1931 Wed 01 Apr 1931 Wed 08 Apr 1931 Wed 15 Apr 1931 Wed 22 Apr 1931 Wed 29 Apr 1931 Wed 06 May 1931 Wed 13 May 1931 Sat 16 May 1931 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