Will this affect 45's sleep and day?

[Onamuji]

hal wrote:
If he was taking THAT much speed, I'd think that you'd see him twitching and shaking.

Depends upon the medication.

Phentermine

Side Effects

Dizziness, dry mouth, difficulty sleeping, irritability, nausea, vomiting, diarrhea, or constipation may occur. If these effects persist or worsen, notify your doctor or pharmacist promptly.