0 1 2 3 Sun 10 Jul 1949 Fri 15 Jul 1949 Wed 20 Jul 1949 Mon 25 Jul 1949 Sat 30 Jul 1949 Thu 04 Aug 1949 Tue 09 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