0 1 2 3 Thu 05 May 1921 Thu 12 May 1921 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 Sat 02 Jul 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