0 1 2 3 Mon 09 May 1921 Mon 16 May 1921 Mon 23 May 1921 Mon 30 May 1921 Mon 06 Jun 1921 Mon 13 Jun 1921 Mon 20 Jun 1921 Mon 27 Jun 1921 Mon 04 Jul 1921 Thu 07 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