0 1 2 3 Thu 29 Jul 1971 Tue 03 Aug 1971 Sun 08 Aug 1971 Fri 13 Aug 1971 Wed 18 Aug 1971 Mon 23 Aug 1971 Sat 28 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