0 1 2 3 Sat 28 Mar 1931 Sat 04 Apr 1931 Sat 11 Apr 1931 Sat 18 Apr 1931 Sat 25 Apr 1931 Sat 02 May 1931 Sat 09 May 1931 Sat 16 May 1931 Sat 23 May 1931 Sun 24 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