day 1
Day 1–2: What to Expect Onset
The most noticeable stretch. Your body is still running on the old baseline while your brain starts adjusting.
- Sleep
- Falling asleep can take longer than usual, and sleep may feel lighter.
- Cravings
- Strongest in the first 24–48 hours, usually tied to routine — a certain time of day, a certain chair.
- Mood
- Mild irritability or restlessness is common. It tends to be sharpest right here, at the start.