0 1 2 3 Fri 12 Apr 1929 Wed 01 May 1929 Sat 01 Jun 1929 Mon 01 Jul 1929 Thu 11 Jul 1929 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