0 1 2 3 Thu 19 May 1921 Thu 26 May 1921 Thu 02 Jun 1921 Thu 09 Jun 1921 Thu 16 Jun 1921 Thu 23 Jun 1921 Thu 30 Jun 1921 Thu 07 Jul 1921 Thu 14 Jul 1921 Thu 21 Jul 1921 Thu 28 Jul 1921 Thu 04 Aug 1921 Sun 07 Aug 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