0 1 2 3 Fri 06 Aug 1971 Mon 09 Aug 1971 Thu 12 Aug 1971 Sun 15 Aug 1971 Wed 18 Aug 1971 Sat 21 Aug 1971 Tue 24 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