I had headache, I was tired Very tired and I had pain at the injection; I had headache, I was tired Very tired and I had pain at the injection; Sleep walking; sleepiness; I had headache, I was tired Very tired and I had pain at the injection; Feeling awful and out of work for two days; This is a spontaneous report received from contactable reporter(s) (Pharmacist). The reporter is the patient.  A 57 year-old patient received bnt162b2 (BNT162B2), intramuscular, administered in deltoid left, administration date 29Sep2021 22:00 (Lot number: FF2589, Expiration Date: 31Dec2021) at the age of 57 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Thyroidectomy", start date: Oct2005 (unspecified if ongoing), notes: Thyroidectomy Oct2005; "Thyroid cancer", start date: 01Oct2015 (ongoing); "Borderline hypertension", start date: 01Sep2007 (ongoing); "Bipolar disorder", start date: 17Dec1998 (ongoing). Concomitant medication(s) included: LEVOTHYROXINE taken for thyroidectomy, start date: Oct2005 (ongoing); GEORAL taken for bipolar disorder, start date: Sep2007 (ongoing); ALTACE taken for hypertension, start date: Sep2007 (ongoing); GEODON [ZIPRASIDONE HYDROCHLORIDE] taken for bipolar disorder, start date: Dec1998 (ongoing). Vaccination history included: Bnt162b2 (1st Dose, Time: 9:00 am EST, Anatomical site of injection; Left deltoid, Route of administration; intramuscular, Batch/Lot no: EL3247), administration date: 25Feb2021, when the patient was 56 years old, for COVID-19 Immunization; Bnt162b2 (2nd Dose, Time: 9:00 am EST, Anatomical site of injection; Left deltoid, Route of administration; intramuscular, Batch/Lot no: EL3247), administration date: 18Mar2021, when the patient was 56 years old, for COVID-19 Immunization. The following information was reported: INJECTION SITE PAIN (non-serious), HEADACHE (non-serious) all with onset 30Sep2021 06:00, outcome "recovered" (2021) and all described as "I had headache, I was tired Very tired and I had pain at the injection"; FATIGUE (non-serious) with onset 30Sep2021, outcome "unknown", described as "I had headache, I was tired Very tired and I had pain at the injection"; MALAISE (non-serious) with onset 29Sep2021, outcome "recovered" (01Oct2021), described as "Feeling awful and out of work for two days"; SOMNAMBULISM (non-serious) with onset 30Sep2021 06:00, outcome "recovered" (2021), described as "Sleep walking"; SOMNOLENCE (non-serious) with onset 30Sep2021 06:00, outcome "recovered" (2021), described as "sleepiness". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of injection site pain, headache, fatigue. Therapeutic measures were not taken as a result of somnambulism, somnolence. Additional information: Did the patient provide information to you regarding the reported adverse event (s) with the use of the product: Yes. If yes above, do you consider the Pfizer product had a causal effect to the adverse event: Yes.  The patient had not received any other vaccine within 4 weeks. Patient had not been diagnosed with COVID-19 prior to vaccination.  No follow-up attempts are possible. No further information is expected.