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USA • 2026-11-03, 11:21 ET • ~1 min read

Marijuana for sleep may be quietly making sleep worse, long-term study finds

Marijuana for sleep may be quietly making sleep worse, long-term study finds

Marijuana for sleep may be quietly making sleep worse, long-term study finds

Key points

اہم نکات

मुख्य बातें

  • A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better.
  • Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse.
  • The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.
  • A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better.
  • Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse.
  • The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.
  • A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better.
  • Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse.
  • The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.

A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better. Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse. The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.

A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better. Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse. The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.

A 35-year study from Northwestern University has challenged the idea that cannabis helps people sleep better. Researchers followed more than 1,200 adults from young adulthood into middle age and found that greater lifetime cannabis use was linked to poorer sleep measured by wrist monitors, including more fragmented sleep and longer spells awake during the night, even though users themselves did not rate their sleep as worse. The findings, published in JAMA Network Open, show an association rather than proof that cannabis causes the disruption, but the authors say the data do not support using it as a sleep aid.

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