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If Adderall is a stimulant, how can it make some people sleepy?

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Adderall boosts your levels of serotonin, norepinephrine, and dopamine. These are neurotransmitters in your brain that calm and relax you so you can focus better. They also affect sleep in different ways. That may be the reason the drug causes drowsiness in some but not others. In studies, 2% to 4% of kids who took the drug had low energy and sleepiness. For adults, it was 6%.

SOURCES:

FDA: “Highlights of Prescribing Information.”

Hazelden Betty Ford: “Adderall Addictions and Side Effects.”

Hormone Health Network: “What is Serotonin?” “Norepinephrine.”

Health Direct: “Dopamine.”

National Health Service (U.K.): “Excessive daytime sleepiness (hypersomnia).”

Mayo Clinic: “Mayo Clinic Minute: Do you practice good sleep hygiene?”

Recovery First: “Adderall Withdrawal and Detox.”

Cleveland Clinic: “Attention Deficit Hyperactivity Disorder (ADHD): Nonstimulant Therapy (Strattera) & Other ADHD Drugs.”

Help Guide: “ADHD Medications.”

Dailymed: “ADDERALL XR -- dextroamphetamine sulfate, dextroamphetamine saccharate, amphetamine sulfate and amphetamine aspartate capsule, extended release.”

Reviewed by Smitha Bhandari on July 2, 2020

SOURCES:

FDA: “Highlights of Prescribing Information.”

Hazelden Betty Ford: “Adderall Addictions and Side Effects.”

Hormone Health Network: “What is Serotonin?” “Norepinephrine.”

Health Direct: “Dopamine.”

National Health Service (U.K.): “Excessive daytime sleepiness (hypersomnia).”

Mayo Clinic: “Mayo Clinic Minute: Do you practice good sleep hygiene?”

Recovery First: “Adderall Withdrawal and Detox.”

Cleveland Clinic: “Attention Deficit Hyperactivity Disorder (ADHD): Nonstimulant Therapy (Strattera) & Other ADHD Drugs.”

Help Guide: “ADHD Medications.”

Dailymed: “ADDERALL XR -- dextroamphetamine sulfate, dextroamphetamine saccharate, amphetamine sulfate and amphetamine aspartate capsule, extended release.”

Reviewed by Smitha Bhandari on July 2, 2020

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