0 1 2 3 Sun 18 Jul 1971 Fri 23 Jul 1971 Wed 28 Jul 1971 Mon 02 Aug 1971 Sat 07 Aug 1971 Thu 12 Aug 1971 Tue 17 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