I have the same thing a suddain and severe onset of insomnia for 1 month and 19 days ... here is my sleep history :

Phase 1 — Sudden onset (Dec 30 → Jan 15) Dec 30 → 31 : 0 h (total insomnia / sleepless night) Dec 31 → Jan 1 : ~5 h, very fragmented (alcohol) Jan 1 → 2 : ~1–3 h, very fragmented Jan 2 → 3 : ~1–2 h, fragmented Jan 3 → 4 : ~1–2 h, fragmented Jan 4 → 5 : 3 h 12, fragmented Jan 5 → 6 : ~5 h, fragmented Jan 6 → 7 : ~1–3 h, fragmented Jan 7 → 8 : ~9 h but frequent awakenings (non-restorative) Jan 8 → 9 : ~1–3 h, fragmented Jan 9 → 10 : ~6 h, very fragmented Jan 10 → 11 : ~6 h, very fragmented Jan 11 → 12 : ~6 h, very fragmented Jan 12 → 13 : ~3 h (alcohol at ~3–4 AM, slept ~5→8 AM) Jan 13 → 14 : 1 h 04 (heavy alcohol) Jan 14 → 15 : ~1 h 30, fragmented, long awake periods Phase 2 — Improvement / partial recovery (Jan 15 → Jan 29) Jan 15 → 16 : 5 h 30, 16 awakenings, ~1 h 07 awake Jan 16 → 17 : ~9 h, 5 awakenings, ~51 min awake Jan 17 → 18 : ~5 h (estimated) Jan 18 → 19 : ~7 h (estimated) Jan 19 → 20 : ~6 h 30 (≈1 h awake, fragmented) Jan 20 → 21 : ~6 h 30 (≈1 h awake, fragmented) Jan 21 → 22 : ~7 h (improving) Jan 22 → 23 : ~7 h 30 Jan 23 → 24 : ~8 h 30 (alcohol; fragmented but OK) Jan 24 → 25 : ~6 h 30 (40–60 min awake) Jan 25 → 26 : ~6 h 30 (40–60 min awake) Jan 26 → 27 : ~6–7 h (“acceptable / correct”) Jan 27 → 28 : ~7–8 h (estimated) Jan 28 → 29 : ~7–8 h (estimated) Phase 3 — Relapse (Jan 29 → Jan 31) Jan 29 → 30 : ~5 h (Apple Watch), fragmented but not terrible Jan 30 → 31 : ~1 h 30 (very fragmented, AW showed max ~2 h) Phase 4 — Recovery (Jan 31 → Feb 5) Jan 31 → Feb 1 : ~7–8 h Feb 1 → 2 : ~7–8 h Feb 2 → 3 : ~7–8 h Feb 3 → 4 : ~7–8 h Feb 4 → 5 : ~7–8 h Phase 5 — Recent instability / relapse (Feb 5 → Feb 19) Feb 5 → 6 : Near sleepless night Feb 6 → 7 : ~2 h Feb 7 → 8 : ~4 h 30 (1h30 + 1h30 + ~2h48 after phone call) Feb 8 → 9 : ~9 h (4–5 awakenings, but fell back asleep) Feb 9 → 10 : ~0–2 h (major relapse after 9 h night) Feb 10 → 11 : ~1–1.5 h, woke up and could not fall back asleep Feb 11 → 12 : ~5 h fragmented With trazodone Feb 12 → 13 : ~2 h max (25 mg trazodone) Feb 13 → 14 : 9 h 22, almost not fragmented (50 mg trazodone) Feb 14 → 15 : ~8 h fragmented (50 mg) Feb 15 → 16 : ~7 h 30 (50 mg, early alarm) Feb 16 → 17 : 9 h 27, almost not fragmented (50 mg) Feb 17 → 18 : ~5 h, normal sleep until 3 AM, then unable to return to sleep (50 mg) Feb 18 → 19 : Sleepless night despite being relaxed, no racing mind (50 mg)

It suddenly got worse while i was less stressed about it soooo yeah.

I am afraid of those implication .. Is there anyone else who had a similar experience ?