ringing of the ears, gradually getting worse, It is worse in the morning and night; Right ear aches, left ear sometimes; Pressure in my temples, comes and goes; Brain ache comes and goes; Hasn't received second dose yet (10 weeks since first dose), never received his second dose; having too many dreams at night/ dreams and dreams; deep sleep; ringing of the ears; Blood pressure high; This spontaneous case was reported by a consumer and describes the occurrence of HYPERTENSION (Blood pressure high), TINNITUS (ringing of the ears), CONDITION AGGRAVATED (ringing of the ears, gradually getting worse, It is worse in the morning and night), ABNORMAL DREAMS (having too many dreams at night/ dreams and dreams) and SOMNOLENCE (deep sleep) in a 75-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.     Concurrent medical conditions included Blood group O (Blood type, which is O negative).    On 02-Feb-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. On 05-Feb-2021,  after starting mRNA-1273 (Moderna COVID-19 Vaccine), the patient experienced HYPERTENSION (Blood pressure high). On 10-Feb-2021, the patient experienced TINNITUS (ringing of the ears). On 12-Feb-2021, the patient experienced ABNORMAL DREAMS (having too many dreams at night/ dreams and dreams) and SOMNOLENCE (deep sleep). On 15-Apr-2021, the patient experienced INCOMPLETE COURSE OF VACCINATION (Hasn't received second dose yet (10 weeks since first dose), never received his second dose). On an unknown date, the patient experienced CONDITION AGGRAVATED (ringing of the ears, gradually getting worse, It is worse in the morning and night), EAR PAIN (Right ear aches, left ear sometimes), HEAD DISCOMFORT (Pressure in my temples, comes and goes) and HEADACHE (Brain ache comes and goes). The patient was treated with VITAMIN C [ASCORBIC ACID] at an unspecified dose and frequency and MAGNESIUM at an unspecified dose and frequency. On 15-Apr-2021, INCOMPLETE COURSE OF VACCINATION (Hasn't received second dose yet (10 weeks since first dose), never received his second dose) had resolved. At the time of the report, HYPERTENSION (Blood pressure high), TINNITUS (ringing of the ears), CONDITION AGGRAVATED (ringing of the ears, gradually getting worse, It is worse in the morning and night), ABNORMAL DREAMS (having too many dreams at night/ dreams and dreams), SOMNOLENCE (deep sleep), EAR PAIN (Right ear aches, left ear sometimes), HEAD DISCOMFORT (Pressure in my temples, comes and goes) and HEADACHE (Brain ache comes and goes) outcome was unknown.      DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 12-Feb-2021, Blood pressure measurement: 130-135 (High) higher than normal blood pressure (130-135 mmHg Systolic). In March 2021, Blood pressure measurement: 143 (High) 143.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       No concomitant medications were reported.   Most recent FOLLOW-UP information incorporated above includes: On 29-Mar-2021: Added new events. On 15-Apr-2021: Added laboratory data and new events. On 06-Jul-2021: Follow up received and added new events.