The mental image of doing hot yoga definitely seems worse than what I’m trying to tackle with the overnight hammock adventure in extreme temps. My hats off. I think I’ll stick to mimicking the activity which for me has been to do 90 min hikes each Saturday morning at a hiking trail (Cedar Ridge Preserve) near me.
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Just thought of another tip. Try using an inflatable pillow instead of a down or synthetic filled pillow. I find the inflatables to be cooler and they would also not be affected by humidity and sweat.
Happy to report testing has begun with heat index near 100F. Have the fan at foot end on low speed and have wet cotton sheet on top. So far so good. More reporting will be forthcoming.
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Last edited by Hiker_Section; 08-10-2019 at 07:44.
Log from Backyard Test
Starting temp at 10:45Pm - 91F (H.I. 98F) Hot breeze outside 5-15mph was blowing.
Wearing running shorts and running shirt (tech fabric). Dry cotton towel placed below me in hammock, damp cotton sheet on top of me (Egyptian sleep method). Using inflatable camp pillow. Had no upper or lower insulation on hammock. (Normally, I only need underquilt when temp drops below 70F. I’m a warm sleeper). Had sleeping bag liner and extra change of clothes for backup if needed. Started with fan on low. Fan positioned at foot end of hammock. Initially, in first few hours skin felt clammy due to wrung out cotton sheet being very damp. However, the dampness was effective in countering the extreme heat. After a few hours turned off fan because of strong breeze 5-15MPH. I was not cold but just didn’t need fan. At same time I folded both towel below me and damp sheet and suspended on ridgeline at head end. I sensed the damp hammock and my clothing beginning to quickly dry with the towel and sheet removed . Eventually hours later I woke up dry and uncomfortably hot. I returned the damp cotton sheet to cover me and slept the rest of the night with the top sheet and was comfortable. I did not reuse the damp under towel and left it hanging on ridgeline rest of night.
Woke up comfortable at 7am 81F (H.I. 85F) and had restful night of sleep. Wet cotton sheet still had some dampness.
Conclusions: Wet cotton top sheet and dry under towel (Egyptian method) is a game changer and was most important aspect of enduring extremely hot evening temp. The towel and sheet can be installed/removed as needed and is very effective for regulating comfort. Fan blowing on damp sheet augments sleeping comfort but will need to test when there is no outside breeze. Will still need to do more testing with small ridgeline fans vs more rubust fans like job site fan and consider the tradeoffs to both. Will need to conduct more tests with this sleeping arrangement in other exterior conditions (i.e. no outside breeze) and local locations (i.e. lake camping). Will definitely try more tests in near future.
Now that I’m confident I can endure the hiking/backpacking and sleeping aspects, I will begin the next part of my testing which I anticipate will be the most difficult and challenging. This will be to endure triple digit temps for extended hours in camp during the hottest part of the day. I’ll be applying all incoming recommendations as well as other aspects of my research from Hammock forum, bushcraft websites, YouTube, etcetera. This will involve setting up camp in densely wooded/shaded area alongside a lake. I need to get to this before August (hottest month) ends.
Last edited by Hiker_Section; 08-10-2019 at 15:46.
I'll continue to develop the attached checklist as I have more time to research. Thanks to all for their input/tips.
Last edited by Hiker_Section; 08-13-2019 at 21:53.
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These Artic Breeze mini fans are a sleep necessity for me for camping in tent or hanging.
I plug them both into my Anker power supply. They draw 0.2 amps.
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