Tired Guineas

We have started turning the Guinea's heat lamp off during the day for two reasons, 1 It's so stinking HOT they don't need it. 2 If they have it all the time they won't feather out as quickly. It was dark in there, and I peeked in to check on them. All 10 of the little boogers were curled up, heads tucked behind their wing! Then we talked too loudly...."Pip?"....