1. chewing gum (studies show alertness promoted, or use as placebo) 2. morning light on a timer (regulates circadian rhythm) 3. hydrate (water but also coffee

1. chewing gum (studies show alertness promoted, or use as placebo) 2. morning light on a timer (regulates circadian rhythm) 3. hydrate (water but also coffee and coffee-as-tea when brewed twice)