0 1 2 3 Tue 22 Jul 1952 Fri 25 Jul 1952 Mon 28 Jul 1952 Thu 31 Jul 1952 Sun 03 Aug 1952 Wed 06 Aug 1952 Sat 09 Aug 1952 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