Spotted these on facebook.
has anybody tried them
Expensive but the reviews are very positive - could do with some editing too 
Tempted to buy a vest for wearing in bed. I've bought some bamboo bottoms and they definitely help. Thinking about bamboo sheets too. I'm also using a medical grade sheepskin to sleep, which also helps disperse the heat and sweat. I haven't had an unbroken night sleep in a very very long time.