0 1 2 3 Tue 04 Jul 1972 Sun 09 Jul 1972 Fri 14 Jul 1972 Wed 19 Jul 1972 Mon 24 Jul 1972 Sat 29 Jul 1972 Thu 03 Aug 1972 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