Named the unexpected cause of the sensation of "falling" when falling asleep

Researchers from the Imam Muhammad Ibn Saud Islamic University have discovered an interesting correlation: taking antidepressants from the SSRI group (selective serotonin reuptake inhibitors) significantly increases the likelihood of hypnotic jerks - involuntary muscle contractions that occur at the moment of falling asleep. The results of this study were published in the scientific journal Cureus.

These jerks are familiar to many as a sudden sensation of falling or a sharp jolt at the moment of transition from wakefulness to sleep. Although such phenomena are usually harmless, in some cases they can seriously disrupt sleep quality, provoke anxiety, and even contribute to the development of insomnia or exacerbate depressive states. Scientists believe that SSRI drugs disrupt the usual chemical balance of the brain, which leads to such unexpected reactions.

SSRI drugs, including the widely known fluoxetine, work by increasing the concentration of serotonin in the brain. Serotonin plays a key role in regulating mood, sleep, and emotional state. The mechanism of action of these medications is based on blocking proteins that normally return serotonin back to nerve cells after its release. As a result, this neurotransmitter remains active in the intercellular space longer, which helps improve the emotional state of patients with depression and anxiety disorders.

The study also found that similar sensations of "falling" when falling asleep can be caused by other factors: excessive caffeine consumption, nicotine, and increased stress levels.

The authors of the study specifically note: despite the fact that hypnotic jerks usually do not pose a health risk, doctors should take them into account when prescribing therapy, especially during periods of adjusting antidepressant dosages.