Table 1.
Factor | Promotes (↑) or suppresses (↓) sleep |
---|---|
Ecological | |
Protection against predation | ↓ |
Enhanced mating success | ↓ |
Incompatibility with swimming | ↓ |
Thermoregulation | ↓ |
Need to forage for food | ↓ |
Adaptive inactivity | ↑ |
Intrinsic | |
Enhancement of memory consolidation | ↑ |
Complementation/compensation for NREM | ↑ |
Activity-dependent rewiring of CNS | ↑ |
Energy conservation | ↑ |
Metabolic clearance | ↑ |
Sensorimotor tuning | ↑ |
Synaptic homeostasis | ↑ |