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Apollo 9 Sleep Notes

Copyright © 2007 by the Editors of Working on the Moon.
Last revised 15 April 2008.
Ground Elapsed Time
(hh:mm:ss)
Notes
09:18:47
Start of Rest Period 1
18:36:12
Wake-up call from Houston; no status report until after the fourth rest period
30:18:08
Start of Rest Period 2
39:20:24
Wake-up call.
56:30:02
Start of Rest Period 3
66:54:28
Wake-up call.
78:11:11
Various operational problems are going to shorten Rest Period 4 by about 1 1/2 hours.  Houston offers to postpone the planned rendezvous by one orbit, the the CDR says "I don't want to do that.  We've got enough problems. If we have any problems with the rendezvous, we're going to need that extra rev to recover from it."  He doesn't want to change the schedule of comm passes over ground stations during the rendezvous.  "We can get this done."
78:20:53
Start of Rest Period 4
82:44:09
Houston calls the crew and has them turn on the heaters in the hydrogen tanks for a short time to get the pressures back to normal
85:40:24
Wake-up call.  CapCom: "A real short night."  Houston requests a crew status report.
86:32:05
Houston repeats the request for a crew status report.  CMP reports "about 5 hours sleep last night ...  Night before last I got about 7 hours sleep, too."  CDR reports "7 hours sleep the night before last and 5 hours last night.  Rusty (LMP) got 7 hours and 5 hours."
104:13:48
Start of Rest Period 5
110:11:31
Early Wake-up because of a low temperature reading on the condenser exhaust on Fuel Cell 2.  CMP spends about 6 minutes switch positions.
116:30:15
Wake-up call.  Except for the brief call about the fuel cell, there has been no comm for over twelve hours.
117:17:47
CMP comments that they seem to be on "bankers' hours today, right? ...  We finally got to bed last night at 107 hours and something, I figure we had a nice 26-hour day yesterday."
118:09:28
CapCom asks for a sleep report.  8 hours each, he is told.
130:09:14
Start of Rest Period 6
139:55:26
CapCom: "Apollo 9, this is Houston.  (Pause)  Ring-a-ring-ring!  The alarm clock has just gone off, Apollo 9."
140:07:52
CapCom requests a sleep report.  CMP got about 7 1/2 hours; CDR, 8 hours; LMP, 8 1/2 hours.
152:15:25
Start of Rest Period 7
164:17:40
Crew sleep report:  CDR, 9 hours; CMP 9 hours; LMP 8 1/2 hours
175:59:36
Start of Rest Period 8
185:19:49
Wake-up call.  CDR, 7 hours; LMP, 6 1/2 hours, CMP 6 1/2 hours
200:07:44
Start of Rest Period 9
208:49:24
Wake-up call.  CDR, 7 1/2 hours; CMP, 7 1/2 hours; LMP, 6 1/2 hours





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