0 1 2 3 Tue 22 Mar 1921 Wed 30 Mar 1921 Thu 07 Apr 1921 Fri 15 Apr 1921 Sat 23 Apr 1921 Sun 01 May 1921 Mon 09 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