Narrative:

I've now been on the 777 exclusively flying the -300. I think I can say categorically that the bunk; in a word; sucks. It is virtually impossible to get adequate rest for the following reasons:1.)the mattress is as hard as a slab of granite2.)there is no airflow in the sleep pods and the eyeball air is either weak or non-existent3.)the temperature in the sleep pods is uncontrollable. No matter what temperature is set; the ambient temperature is at least 75deg. If the curtains are completely closed I've had the ambient temperature reach 85deg4.)the only way to minimally control the temperature is to leave the curtains open; which leads to another problem; you cannot make it completely dark in the bunk room. Even with the area lights off; there is other lighting which remains on and cannot be extinguished or dimmedgiven all of the above I have not received adequate rest on any of my flights. I believe that the bunk on the -300 should not be considered a class 1 rest area.

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Original NASA ASRS Text

Title: Boeing 777-300ER Captain reported that the crew rest area is inadequate and unacceptable for crew rest.

Narrative: I've now been on the 777 exclusively flying the -300. I think I can say categorically that the bunk; in a word; sucks. It is virtually impossible to get adequate rest for the following reasons:1.)The mattress is as hard as a slab of granite2.)There is no airflow in the sleep pods and the eyeball air is either weak or non-existent3.)The temperature in the sleep pods is uncontrollable. No matter what temperature is set; the ambient temperature is at least 75deg. If the curtains are completely closed I've had the ambient temperature reach 85deg4.)The only way to minimally control the temperature is to leave the curtains open; which leads to another problem; you cannot make it completely dark in the bunk room. Even with the area lights off; there is other lighting which remains on and cannot be extinguished or dimmedGiven all of the above I have not received adequate rest on any of my flights. I believe that the bunk on the -300 should NOT be considered a class 1 rest area.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.