0 1 2 3 Fri 13 May 1921 Fri 20 May 1921 Fri 27 May 1921 Fri 03 Jun 1921 Fri 10 Jun 1921 Fri 17 Jun 1921 Fri 24 Jun 1921 Fri 01 Jul 1921 Fri 08 Jul 1921 Fri 15 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