Prolonged sleep; FACIAL FLUSHING (cheeks reddened, warm, felt dry/tight); FACIAL FLUSHING (cheeks reddened, warm, felt dry/tight); FACIAL FLUSHING (cheeks reddened, warm, felt dry/tight); FACIAL FLUSHING (cheeks reddened, warm, felt dry/tight); FACIAL FLUSHING (cheeks reddened, warm, felt dry/tight); Slow progression of INJECTION SITE PAIN; Experienced TIREDNESS and FATIGUE, EXTREME TIREDNESS; Headache; Muscle/ joint pain; Joint pain; Chills; This is a spontaneous report from a contactable consumer, the patient. A 39-year-old non-pregnant female patient received the first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: EW0165) via an unspecified route of administration in the left arm on 04May2021 at 09:45 (at the age of 39-years-old) as a single dose for COVID-19 immunisation. Medical history included narcolepsy which was ongoing and COVID-19 on 25Jan2021. Prior to the vaccination, the patient was diagnosed with COVID-19. Concomitant medications taken within two weeks of vaccination included amfetamine aspartate, amfetamine sulfate, dexamfetamine saccharate, dexamfetamine sulfate (ADDERALL) for narcolepsy from unknown date, biotin (MANUFACTURER UNKNOWN) and vitamin b complex (VITAMIN B-COMPLEX), both for unknown indication from unknown date and unknown if ongoing. The patient previously took clindamycin (MANUFACTURER UNKNOWN) and experienced hives and rash years ago. The patient did not receive any other vaccines within four weeks prior to the vaccination. On 04May2021 at 10:30, the patient left building after vaccine injection number one. At 12:30, approximately 2.5 hours post-vaccine, she noticed facial flushing and her cheeks reddened, warm, felt dry and tight, that slowly dissipated. The patient drank vitamin water to prevent dehydration. She also experienced slow progression of injection site pain throughout the day. The patient experienced tiredness and fatigue approximately 12 hours post-vaccine. On an unknown date in May2021 she experienced headache, muscle and joint pain, chills, extreme tiredness throughout overnight hours and next day, 24 hours post-vaccine, causing prolonged sleep until next afternoon. There were no elevated temperature readings. At 17:00, 32 hours post-vaccine, symptoms mostly dissipated or resolved. On 09May2021, 5 days post-vaccine, she noticed facial flushing which was deeper red, again, a symptom she had not experienced prior to receiving the vaccine. The events did not result in doctor or other healthcare professional office/clinic visit, emergency room/department or urgent care. Since the vaccination, the patient had not been tested for COVID-19. Therapeutic measures were not taken as a result of the events. The clinical outcome of the events slow progression of injection site pain throughout the day, tiredness and fatigue approximately 12 hours post-vaccine, headache, muscle and joint pain, chills, extreme tiredness throughout overnight hours and next day, 24 hours post-vaccine, causing prolonged sleep until next afternoon was  resolving, while that of facial flushing and her cheeks reddened, warm, felt dry and tight, that slowly dissipated, 5 days post-vaccine, she noticed facial flushing which was deeper red was unknown at the time of this report.   No follow-up attempts are needed. No further information is expected.