exhausted and tired; woke up with his glands swollen; woke up with a fever; migraine headache; was a throbbing at the injection site that radiated, described as felt like the throbbing had traveled; was not fine as was not able to sleep for thirty hours after the 6May2021 second dose; still been sweating without being active at all, glistening with sweat; started napping, sleeping between 16 hours and 18 hours a day; lost 8 pounds, gained back 2 pounds; This spontaneous case was reported by a patient family member or friend and describes the occurrence of INSOMNIA (was not fine as was not able to sleep for thirty hours after the 6May2021 second dose), MIGRAINE (migraine headache), HYPERHIDROSIS (still been sweating without being active at all, glistening with sweat), SOMNOLENCE (started napping, sleeping between 16 hours and 18 hours a day) and WEIGHT DECREASED (lost 8 pounds, gained back 2 pounds) in a 35-year-old male patient who received mRNA-1273 (Moderna COVID-19 Vaccine) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     The patient's past medical history included No adverse event. Concomitant products included IBUPROFEN, TOPIRAMATE and over-the-counter Claritin.    On 08-Apr-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 06-May-2021, the patient experienced INSOMNIA (was not fine as was not able to sleep for thirty hours after the 6May2021 second dose) and VACCINATION SITE PAIN (was a throbbing at the injection site that radiated, described as felt like the throbbing had traveled). On 07-May-2021, the patient experienced MIGRAINE (migraine headache), LYMPHADENOPATHY (woke up with his glands swollen) and PYREXIA (woke up with a fever). In May 2021, the patient experienced HYPERHIDROSIS (still been sweating without being active at all, glistening with sweat), SOMNOLENCE (started napping, sleeping between 16 hours and 18 hours a day) and WEIGHT DECREASED (lost 8 pounds, gained back 2 pounds). On an unknown date, the patient experienced FATIGUE (exhausted and tired). On 13-May-2021, LYMPHADENOPATHY (woke up with his glands swollen) and PYREXIA (woke up with a fever) outcome was unknown. At the time of the report, INSOMNIA (was not fine as was not able to sleep for thirty hours after the 6May2021 second dose), MIGRAINE (migraine headache), HYPERHIDROSIS (still been sweating without being active at all, glistening with sweat), SOMNOLENCE (started napping, sleeping between 16 hours and 18 hours a day), WEIGHT DECREASED (lost 8 pounds, gained back 2 pounds), FATIGUE (exhausted and tired) and VACCINATION SITE PAIN (was a throbbing at the injection site that radiated, described as felt like the throbbing had traveled) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On an unknown date, Computerised tomogram head: Normal. On an unknown date, SARS-CoV-2 test: negative.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       This case was linked to US-MODERNATX, INC.-MOD-2021-162122, INC.-MOD-2021-162129 (E2B Linked Report). Reporter did not allow further contact; Sender's Comments: INC.-MOD-2021-162122:mother, INC.-MOD-2021-162129:mother