I feel tired and crave some entertainment- the phone

The blue light disrupts melatonin production and interferes with our following sleeping cycle

https://www.healthshots.com/mind/mental-health/side-effects-of-using-phone-in-the-morning/

after I feel bursting with energy and ready to start my day

Cold water signals the brain to release endorphins, the feel-good hormone that decreases depression symptoms and anxiety.

I feel full physically and mentally

The first meal of the day is a substantial opportunity for you to support insulin sensitivity, and reproductive hormones, and reduce stress levels on your body.

I feel empty and ready to eat anything that can not eat me

Rises in estrogen and progesterone levels tend to correlate with rises in cortisol (stress hormone) levels which lead to cravings for carbohydrates, including sugar.

Ghrelin is produced in the stomach and signals to our brain when it's time to eat. Ghrelin levels naturally rise before meals and decrease afterward, helping to regulate our food intake.

https://www.linkedin.com/pulse/hormones-sleep-whats-connection-thrivelabco

https://vpfw.com/blog/understanding-sugar-and-hormones-faqs-and-9-tips-for-feeling-better/#:~:text=Cravings%20seem%20to%20be%20closely,cravings%20for%20carbohydrates%2C%20including%20sugar.

i finished the long-awaited lunch and feel tired and ready to have a nap (too bad I have school for another 3 hours)

Tryptophan, found in high-protein foods, is used by the body to create serotonin. Serotonin is a neurotransmitter that helps regulate sleep. It’s possible that increased production of serotonin is responsible for that post-meal haze.

https://www.healthline.com/health/food-nutrition/why-do-i-feel-tired-after-eating#diet

I feel a need to supplement my previous lunch with something sweet

insulin- to counter swift surge in blood sugar, your body releases insulin, aiming to normalize sugar levels. However, this process can sometimes be overzealous, causing blood sugar to dip below the desired level — a condition known as reactive hypoglycemia

dopamine(a neurotransmitter associated with pleasure and reward)-Indulging in sweet treats after a meal results in a temporary surge of pleasure, which can lead to future cravings

https://karidahlgren.net/sugar-cravings-after-a-meal/

tired, blank, ready to rest

body’s stress hormone and having the right balance of cortisol is crucial to keep your energy levels in check, external factors causing chronic stress were more likely to blame for cortisol imbalances than a physical irregularity with adrenal glands that produce it

https://www.vitallifeintegratedhealth.com/en/blog/health/hormone-imbalance-could-be-making-you-tired

after eating tired

Tryptophan triggers the brain’s sleep process, foods with tryptophan include milk, bananas, oats, and chocolate. While tryptophan alone may not always cause sleepiness, its effects are enhanced when eaten with carbohydrates.

https://www.sleepfoundation.org/nutrition/why-do-i-get-sleepy-after-eating

tired but unable to go to sleep

A mind full of thoughts, anxiety, and worry can also stimulate your body to release adrenaline and other stress-related hormones like cortisol.

This is especially true at night when you lie in bed. In a quiet, dark room, some people can’t stop focusing on stressors, such as a conflict that happened that day or worrying about what’s going to happen tomorrow.

Watching television before bedtime, using your cellphone or computer, or listening to loud music may contribute to a surge of adrenaline at night.

https://www.healthline.com/health/adrenaline-rush#at-night

energy burst, prepared to start doing homework

Dopamine, also named as the motivation molecule, is a hormone that provides the drive and focus you need to accomplish your tasks in the most productive way. This hormone is primarily involved with the attention span, focus and motivation.

Listening to your favourite music gives you a pleasurable feeling, removes the stress and help to improve your focus and concentration which happens due to an increase in dopamine levels.

https://www.jagranjosh.com/articles/how-different-hormones-affect-the-focus-and-concentration-power-1530014730-1

at peace, calm

Serotonin stabilises our mood, feelings of well-being, and happiness. Additionally, it helps decrease our worries and concerns and is associated with learning and memory.

Serotonin is naturally triggered by regular things we can do each day – going for a walk in the sunshine, getting a good night’s sleep, spending time in nature or self-care activities that reduce stress levels.

https://www.parkinsonsnsw.org.au/four-happy-hormones/#:~:text=Serotonin%20stabilises%20our%20mood%2C%20feelings,associated%20with%20learning%20and%20memory.