0 1 2 3 Tue 16 Aug 1921 Sun 21 Aug 1921 Fri 26 Aug 1921 Wed 31 Aug 1921 Mon 05 Sep 1921 Sat 10 Sep 1921 Thu 15 Sep 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