0 1 2 3 Fri 20 Jul 1956 Wed 25 Jul 1956 Mon 30 Jul 1956 Sat 04 Aug 1956 Thu 09 Aug 1956 Tue 14 Aug 1956 Sun 19 Aug 1956 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