0 1 2 3 Sun 10 Jul 1921 Sun 17 Jul 1921 Sun 24 Jul 1921 Sun 31 Jul 1921 Sun 07 Aug 1921 Sun 14 Aug 1921 Sun 21 Aug 1921 Sun 28 Aug 1921 Sun 04 Sep 1921 Sun 11 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