0 1 2 3 Sun 07 Aug 1921 Mon 15 Aug 1921 Tue 23 Aug 1921 Wed 31 Aug 1921 Thu 08 Sep 1921 Fri 16 Sep 1921 Sat 24 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