0 1 2 3 Sun 04 Jul 1971 Mon 12 Jul 1971 Tue 20 Jul 1971 Wed 28 Jul 1971 Thu 05 Aug 1971 Fri 13 Aug 1971 Sat 21 Aug 1971 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