0 1 2 3 Sun 06 Jul 1952 Tue 15 Jul 1952 Thu 24 Jul 1952 Sat 02 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