Sometimes I sleep in a hammock and it helps a lot. I have a Grand Trunk and an ENO, both doubles, that fit me and my girlfriend comfortably. I prefer the Grand Trunk, but I use the ENO mounting hardware with it.
Normal adult cells use a small energy plant located inside them to produce most of their energy needs from oxygen, this is an aerobic process. In contrast, cancer cells rely mainly on the first part of the energy production process dependant on glucose (sugar), this is an anaerobic process.
When in an anaerobic environment, some cells can use glycolysis and fermentation to keep producing ATP. Lactic acid fermentation happens in our muscle cells when we are exercising feverishly, while alcoholic fermentation is used in yeast cells and is what leads to beer, bread, and wine.