0 1 2 3 Thu 31 Mar 1921 Fri 08 Apr 1921 Sat 16 Apr 1921 Sun 24 Apr 1921 Mon 02 May 1921 Tue 10 May 1921 Wed 18 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