0 1 2 3 Tue 29 Mar 1921 Fri 01 Apr 1921 Mon 04 Apr 1921 Thu 07 Apr 1921 Sun 10 Apr 1921 Wed 13 Apr 1921 Sat 16 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