The goal of this clinical trial is to learn if Auricular acupuncture works to treat Insomnia Post-stroke patients. It will also learn about the safety of Auricular. The main questions it aims to answer are:

• Does Auricular acupuncture reduce the time it took participants to fall asleep?
• Dose Auricular acupuncture increase the number of hours participants slept?
• Dose Auricular acupuncture improve sleep quality as measured by The Pittsburgh Sleep Quality Index (PSQI)?
• What medical problems do participants have when taking Auricular acupuncture? Researchers will compare Auricular acupuncture to a sham Auricular acupuncture (a look-alike acupuncture needles that contains no needles) to see if Auricular acupuncture works to treat insomnia post-stroke.

Participants will:

• Take Auricular acupuncture or sham Auricular acupuncture every 5 days for 4 weeks.
• Checkups and evaluate sleep onset time, sleep hours, and sleep quality every 5 days for 4 weeks.
• Keep a diary sleep of their symptoms and the number of times they use sleeping pills.

Inclusion Criteria:

• Patients aged 18 years or older, with a post-stroke period of 03 months or more, based on discharge papers or medical records.
• Patients who meet the diagnostic criteria for insomnia according to the DSM-V of the American Psychiatric Association for at least 3 months.

Exclusion Criteria:

• Patients with insomnia before the stroke.
• Patients diagnosed with other sleep disorders such as sleep apnea syndrome, narcolepsy.
• Patients diagnosed with neurological diseases or psychiatric disorders such as: Anxiety disorders, autism spectrum disorders, depression, obsessive-compulsive disorder, behavioral disorders affecting sleep before the stroke.
• Patients are using antidepressants, psychiatric drugs.
• Patients participating in other clinical trials with behavioral, psychological or complementary medical interventions during the study period.
• Patients not cooperating during data collection