0 1 2 3 Tue 14 Jun 1949 Fri 01 Jul 1949 Mon 01 Aug 1949 Thu 01 Sep 1949 Mon 12 Sep 1949 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