Sniff While You Sleep

Smokers light up less after smelling cigarette smoke together with foul odors during sleep, a study shows.

Written byMolly Sharlach
| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

FLICKR, CAITLIN REGAN

While the body rests, the brain continues to work: research indicates that the sleeping brain consolidates memories and can even form new associations. Now, a study suggests that associations formed during sleep can lead to long-term changes in behavior—specifically, the number of cigarettes one smokes.

Sleeping smokers who were exposed to the smell of cigarette smoke followed seconds later by the smell of fish or rotten eggs smoked 30 percent fewer cigarettes during the week after the sleep test than the week before, scientists at the Weizmann Institute of Science in Israel reported this week (November 12) in The Journal of Neuroscience.

The researchers did not observe this effect in smokers who were exposed to the smells while awake, or in those who experienced the ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here
December digest cover image of a wooden sculpture comprised of multiple wooden neurons that form a seahorse.
December 2025, Issue 1

Wooden Neurons: An Artistic Vision of the Brain

A neurobiologist, who loves the morphology of cells, turns these shapes into works of art made from wood.

View this Issue
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

Merck
Stacks of cell culture dishes, plates, and flasks with pink cell culture medium on a white background.

Driving Innovation with Cell Culture Essentials

MilliporeSigma purple logo
Human iPSC-derived Models for Brain Disease Research

Human iPSC-derived Models for Neurodegenerative Disease Research

Fujifilm
Abstract wireframe sphere with colorful dots and connecting lines representing the complex cellular and molecular interactions within the tumor microenvironment.

Exploring the Inflammatory Tumor Microenvironment 

Cellecta logo

Products

brandtech logo

BRANDTECH® Scientific Announces Strategic Partnership with Copia Scientific to Strengthen Sales and Service of the BRAND® Liquid Handling Station (LHS) 

Top Innovations 2026 Contest Image

Enter Our 2026 Top Innovations Contest

Biotium Logo

Biotium Expands Tyramide Signal Amplification Portfolio with Brighter and More Stable Dyes for Enhanced Spatial Imaging

Labvantage Logo

LabVantage Solutions Awarded $22.3 Million U.S Customs and Border Protection Contract to Deliver Next-Generation Forensic LIMS