0 1 2 3 Tue 15 Mar 1921 Sun 20 Mar 1921 Fri 25 Mar 1921 Wed 30 Mar 1921 Mon 04 Apr 1921 Sat 09 Apr 1921 Thu 14 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