Disclaimer: every situation & characters are fictional and over the age of 18.
Special thanks to my volunteer editor for correcting spelling mistakes!
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T'Pol woke up sweaty and anxious, as she had done after several sleep cycles recently. Every time, her condition felt worse and she felt less and less invigorated.
"What is the matter with me?" she questioned herself with Vulcan logic, but there was no definite answer for this kind of condition.
"So, the most logical resolution is to see Dr. Phlox and get a full medical examination," she thought, while taking a cold shower to wash her flawless sixty-year-old Vulcan body clean of sweat.
After a while, she dried her shivering body thoroughly using a towel, then wore her grey-and-silver Vulcan subcommander uniform, which contoured every curve of her body, leaving nothing to guess.
A quick sip of tea, a couple of Earth fruits, and she was ready to go.
Fortunately, the Enterprise had been charting the red-gas-giant system for several days, and the estimate was that charting would continue for at least three Earth days, so there was no requirement for her to be in the command center. "I have plenty of time to resolve this," she thought, stepping into the turbolift, where a couple of male crew members, from the lower decks, eyed her nonchalantly.
"Medical bay," T'Pol said, while the turbolift resumed moving, quickly reaching the medical bay deck. "Gentlemen, excuse me," T'Pol said, then headed towards the infirmary.
"Subcommander T'Pol!" Dr. Phlox greeted her, with a smile. "Haven't seen you here in quite a while. You Vulcans rarely get sick, and so on..." he stated, while eyeing her with true interest.
"Indeed, but today, I have to discuss... personal matters," T'Pol answered, matter-of-factly, being logical as only a Vulcan can be.
"But, of course, please take a seat and tell me what is bothering you." Phlox gestured towards the sick-bay bed.
T'Pol quickly sat on the edge of the bed, stretching her long legs. "I have difficulties rejuvenating during my sleep cycles; I see vivid dreams, but I do not remember them after I wake up. Sweating and anxiety also," T'Pol told Dr. Phlox.
"I see, and no theory of what might cause this?" Phlox asked.
"No, none. Otherwise, I would not be sitting here," T'Pol answered, wryly.
"Very well, I would like to do a full medical scan first, so if you kindly take off your shoes and uniform, then lie down on the bed," Dr. Phlox stated to her.
T'Pol undressed, leaving only her grey underwear on, then lay down on the bed.
"You are in top physical shape, as you should be at your age," Dr. Phlox said, while observing her sculpted body. "But let's see if the scanner reveals anything."
After a short while, the examination bed started to move inside the scanner, and T'Pol felt a little tingling on her skin while the scanner was doing what it was supposed to do.
"Interesting, interesting..." T'Pol heard Dr. Phlox speak to himself, while studying scan results. After a minute, the bed moved out of the scanner, and T'Pol rose from it.
"Find anything?" she asked the doctor, who was still studying scan results.