0 1 2 3 Wed 30 Mar 1921 Wed 06 Apr 1921 Wed 13 Apr 1921 Wed 20 Apr 1921 Wed 27 Apr 1921 Wed 04 May 1921 Wed 11 May 1921 Wed 18 May 1921 Wed 25 May 1921 Tue 31 May 1921 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