0 1 2 3 Sat 15 Apr 1939 Mon 01 May 1939 Thu 01 Jun 1939 Sat 01 Jul 1939 Tue 25 Jul 1939 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