0 1 2 3 Thu 17 Mar 1921 Mon 21 Mar 1921 Fri 25 Mar 1921 Tue 29 Mar 1921 Sat 02 Apr 1921 Wed 06 Apr 1921 Sun 10 Apr 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