Severe side effect/ More severe after booster dose; Slept 20 hours out of 24 hours; Next morning could barely get out of bed and stand up; Severe pain mostly in legs, knees, and feet; Joint pain, Knees hurting so bad, pain somewhat in hips; Whole night was horrible with chills and pain; Had nausea; At nightfall, felt strange, Words cannot tell you how bad it was, About to kill me; This spontaneous case was reported by a consumer and describes the occurrence of VACCINATION COMPLICATION (Severe side effect/ More severe after booster dose), HYPERSOMNIA (Slept 20 hours out of 24 hours), FEELING ABNORMAL (At nightfall, felt strange, Words cannot tell you how bad it was, About to kill me), ILLNESS (Next morning could barely get out of bed and stand up) and PAIN IN EXTREMITY (Severe pain mostly in legs, knees, and feet) in a 69-year-old female patient who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch nos. 083J21A, 003A211A and 011M20A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No Medical History information was reported.   On 04-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 03-Mar-2021, received second dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 01-Feb-2022, received third dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) dosage was changed to 1 dosage form. On 01-Feb-2022, the patient experienced FEELING ABNORMAL (At nightfall, felt strange, Words cannot tell you how bad it was, About to kill me), PAIN IN EXTREMITY (Severe pain mostly in legs, knees, and feet), ARTHRALGIA (Joint pain, Knees hurting so bad, pain somewhat in hips), CHILLS (Whole night was horrible with chills and pain) and NAUSEA (Had nausea). On 02-Feb-2022, the patient experienced HYPERSOMNIA (Slept 20 hours out of 24 hours) and ILLNESS (Next morning could barely get out of bed and stand up). On an unknown date, the patient experienced VACCINATION COMPLICATION (Severe side effect/ More severe after booster dose). At the time of the report, VACCINATION COMPLICATION (Severe side effect/ More severe after booster dose), HYPERSOMNIA (Slept 20 hours out of 24 hours), FEELING ABNORMAL (At nightfall, felt strange, Words cannot tell you how bad it was, About to kill me), ILLNESS (Next morning could barely get out of bed and stand up), PAIN IN EXTREMITY (Severe pain mostly in legs, knees, and feet), ARTHRALGIA (Joint pain, Knees hurting so bad, pain somewhat in hips), CHILLS (Whole night was horrible with chills and pain) and NAUSEA (Had nausea) outcome was unknown.        For mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular), the reporter did not provide any causality assessments.   Patient height was reported as 67 inches  No concomitant medications reported by reporter No treatment medications provided by the reporter.  This is a spontaneous case concerning a 69-year-old female patient with no medical history reported, who experienced the unexpected events of vaccination complication, hypersomnia, feeling abnormal, illness, pain in extremity and expected events of arthralgia, chills and nausea. The events occurred on the same day after the third dose of mRNA  1273 vaccine, except for events hypersomnia and illness which was experienced a day later. Vaccination complication occurred on an unknown date. All the events are non serious but at the time of report outcome of all was still unknown. The reporter's assessment was not provided. The benefit-risk relationship of the vaccine is not affected by this report.   This case was linked to MOD-2021-037386 (Patient Link).; Sender's Comments: This is a spontaneous case concerning a 69-year-old female patient with no medical history reported, who experienced the unexpected events of vaccination complication, hypersomnia, feeling abnormal, illness, pain in extremity and expected events of arthralgia, chills and nausea. The events occurred on the same day after the third dose of mRNA  1273 vaccine, except for events hypersomnia and illness which was experienced a day later. Vaccination complication occurred on an unknown date. All the events are non serious but at the time of report outcome of all was still unknown. The reporter's assessment was not provided. The benefit-risk relationship of the vaccine is not affected by this report.