0 1 2 3 Tue 19 Jul 1949 Sat 23 Jul 1949 Wed 27 Jul 1949 Sun 31 Jul 1949 Thu 04 Aug 1949 Mon 08 Aug 1949 Fri 12 Aug 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